File: bitcode.cpp

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#include "llvm-c/BitReader.h"
#include "llvm-c/BitWriter.h"

#include "core.h"

extern "C" {

API_EXPORT(void)
LLVMPY_WriteBitcodeToString(LLVMModuleRef M, const char **outbuf,
                            size_t *outlen) {
    LLVMMemoryBufferRef MB = LLVMWriteBitcodeToMemoryBuffer(M);
    *outlen = LLVMGetBufferSize(MB);
    *outbuf = LLVMPY_CreateByteString(LLVMGetBufferStart(MB), *outlen);
    LLVMDisposeMemoryBuffer(MB);
}

API_EXPORT(LLVMModuleRef)
LLVMPY_ParseBitcode(LLVMContextRef context, const char *bitcode,
                    size_t bitcodelen, char **outmsg) {
    LLVMModuleRef ref;
    LLVMMemoryBufferRef mem = LLVMCreateMemoryBufferWithMemoryRange(
        bitcode, bitcodelen, "" /* BufferName*/, 0 /* RequiresNullTerminator*/
    );

    LLVMParseBitcodeInContext(context, mem, &ref, outmsg);
    LLVMDisposeMemoryBuffer(mem);
    return ref;
}

} // end extern "C"